Roof arch or wall for combustion chambers



Jam 8, f1929.

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A. V. DE GRAND Roof` ARCH 0R WALL FOR coMUsTIoN CHAMBERS Filed Aug. 16, 1926 2 Sheets-Sheet 2 r/f/ s me X Patented Jan. 8, 1329 vunirsn?sirA'ri-:s Parnaar,zo-rines,

ALFRED V. DE sannio, onALTon, Immers.

noon anon on WALL roncoiasusron CHAMBERS.'

Appncatin med AugustY 1e,` ieee. serial No. 12e/isa be adjusted so as to eliminate projections on said active face against which 'the rflame will strike and eat into the joints between the elements that compose said face.

Other objects and desirable features of my. invention will be hereinaiiterpointed out. i My invention is applicable to stoker'arches and ignition arches, such as are used in boilers and various other kinds of apparatus operated by fuel, and it is also applicable to the roofs and walls of annealing ovens, tube stills orf-cracking stills, such as are `used in the oil industry, and in fact, to any kind fof a combustion chamber-in which a high temperature is maintained. a

Figure l of the drawings is av longitudinal sectional View of a roof, arch or wall constructed in accordancewith my invention; and

Figure 2 is a transverse sectional View, taken on the line 2 2 of Figure 1.

In my improved roof, arch or wall theelements that' constitute the active faceof the structure are not permanently mounted upon or immovably connected to a-v supporting structure, as is now the usual custom, but instead, said elements are mounted on a supporting structure in such a manner that they can be adjusted independently oi each other,y either to cause the active faces of said elements to align or extend flush with each other, or to permit any one oli' said elements to be removed or replaced without disturbing` the adjacent elements. Vhen my invention is embodied in a Stoker, arch or ignition arch, or in a roof `for a combustion chamber, the elements that mal-:e up the arch or root will be formed either of solid blocks of refractory material, or blocks provided with renewable face portions, andl will vbe suspended from `an overhead supporting structure by a means that can be adjusted so as to raise or lower said blocks independently of eachother and thus cause thev bot- Vrstruction is desirable, inthat'it tom faces-oit saidvblocks to extend` flush,1r

thereby forming anarch or roof which is,

v.free from projections against which the flame can strike, and thus causeI the blocks to spawl and burn.` It is, 'of course, immaterial whether s aldblocks are arranged so as to form a horizontal archor roof, or an in-` clined 'arch or roof.- Vhen my invention is embodied in a vertical wall or vupright wall,

the supporting structure will be arranged at wall,..and said elementswill be sustained or supported by 4devices that are capablerof being adjuste'd'or moved in a horizontaler substantially horizontal' direction.

lone side of the elements that constitutethe In the preferred form of' my invention herein illustrated the roof, arch for wallV fis made up ofa plurality of tile orother elements,each of which coniprisesa. back'portion A and a .renewable face portion A,

either one or both'ofwhich are formed' of vr vrei-'ractoryf materiahand'the face portion A. is detachably: connected to the backI portion. A by a cri-operating tongueV and groove, as shown clearly inl*1 igure l. 1 Such a conportion .of the rooffor` arch that-is exposed tothe direct actionof the flame tov be 1renewed .quickly and at a low cost, but, as

previouslystated,the arch or roofcan'be made up of solid blocks or tile without departing from the spirit vof myinvention. Any suitable type or kind ot' supporting structure can be used to carry the elements A and various means can be used to adjust s aid elements independently of eachother and relatively to the supporting structure. In the form oi my invention herein illustrated the supporting structure`r consists or a number of transversely-disposed members .i3 arranged in spaced relation, and a number ot longitudinally-disposed members C arranged at Vsubstantially* right angles to the members B and connected at their ends to same, the members 'B and C usually being -formed from channels or other commercially rolled shapes. c

The blocks or elements A are arranged in abutting relation beneath saidy supporting structure, and each of said block's is suspended from said supporting structure by a yertically-adjustable rod l that passes upwardly through a hole in one memberot the supporting structure, and which is provided at its upper end with an externally screwthreaded portion on which a, nut 2 is mountpermits the ed, said nut i being arranged aboveor at theupper sideof the supporting member through Whichthe rod projects upwardly, so

asto rmlysupport the'rod and also enable n it to be adjusted easily to properly position the block "or element sustained bythe rod.

In order to provide "for a slight rocking 'yles Atate the adjustmentjofsaid elements and carriesythe some; In theiforln of 1n in-` `vention herein illustratedthis desirab e result is attained by providing each of. the elements A with an upWardly-projecting arce shapedQyoke or; substantially inverted; U-

i `relatively to the clevises `5 which carry saine.`

Y being adjusted quickly and easily, I Wish it hangers Bgvvith` a set o `30 shaped hanger that is pivotally connected intermediate` its Vends by a pivot pin 4 tofa `olevis` Aon the lower end of the rod As shoWninFigure '1, the yoke 3 isjarrangedin y 'a depression or `recess in the top face of "the i element A" and said yoke is secured to "said element usually" by means ofl transverselyV disposed :pins `3f?,that-pass through said ele V.ment andthrough the 4end portions of the yoke; I also preferito rovide each` of the ippivot `pin holes 4% arranged inI an arc, `as shown in Figure 1, so as to permitrthe hangers 3f to'be adjusted hile-I prefer to sustain the elementsA by a means of the character above described, Vdue to the aet that themetallic parts of `the structureare` completely protected from Aexcessive temperatures, and the refractory elements. ofj the structure are capable `of "tion,

to be `understoofil that various other means Y can be used Avfor sustaining and adjusting the tile or elementsA of the structure vvithout departing fromthe spiritfofrny inven,

Having thus described` invention;

Letters PatentV is t InV a structure of thekind-referred to,` a'plurality of elements disposed" so' asto `form arooi; arch or Wall, a supporting struc-` ture ,arranged above` said elements, arvertically-adjustable sustaining device on said `supporting structure foreach of said ele-PffV ments, clevisesmo'unted on the lower ends of .j H 55 l said sustainingdevices, n arclsha ed hangers attached to vsaid t elements i an projecting `a5? `vv/hat I claim as new and desire to secureby upwardlyy fromsaIne,l and a pivotpin, for

connectingeach lof said hangers' to'iitsco-opJV i yerating clevis, each ofwsaidhangers having a pluralityfof pivotfpin holes arranged in an arc sovas toperniittheelementto' which "the hangen is secured -to` be'yad'usted an'` Y arcrelatively to Yi'tssustaining evice;`

2. In a structure -of` thekindreferiedto, l plurality of reetangularly-shaped blocks` arranged inabutting` relationship s o as `to forni a roof, arch or lvvall, each 'of'saidblocks tion detachably` connected '-.t said baekportion, an overhead supportingstructure, veritically-adjustablel rods `mounted in said sup-V v porting structure, substantially arc+shaped yokes secured to the back portions ofsaid blocks and projectingupwardl from the same, and clevises 4on;` said ro s pivotally connectedt'ozsaid ykes. f

i y ALFRDv. DE GRAND comprising a back portio'n and a face por- 

